Remove grouped_security_reports_app and related files/lines

...javascripts/ci/reports/components/grouped_issues_list.vue

app/assets/javascripts/ci/reports/components/summary_row.vue

app/assets/javascripts/ci/reports/constants.js

...ts/artifact_downloads/merge_request_artifact_download.vue

...ripts/vue_shared/security_reports/components/constants.js

...ipts/vue_shared/security_reports/components/help_icon.vue

...e_shared/security_reports/components/security_summary.vue

...sets/javascripts/vue_shared/security_reports/constants.js

...ipts/vue_shared/security_reports/security_reports_app.vue

...avascripts/vue_shared/security_reports/store/constants.js

.../javascripts/vue_shared/security_reports/store/getters.js

...ts/javascripts/vue_shared/security_reports/store/index.js

...javascripts/vue_shared/security_reports/store/messages.js

...vue_shared/security_reports/store/modules/sast/actions.js

...s/vue_shared/security_reports/store/modules/sast/index.js

...red/security_reports/store/modules/sast/mutation_types.js

...e_shared/security_reports/store/modules/sast/mutations.js

...s/vue_shared/security_reports/store/modules/sast/state.js

...ecurity_reports/store/modules/secret_detection/actions.js

.../security_reports/store/modules/secret_detection/index.js